Write the number in trigonometric form. Let 0° ? ? < 360°.3i
A. 3(cos 0° + i sin 0°)
B. 3(cos 270° + i sin 270°)
C. 3(cos 180° + i sin 180°)
D. 3(cos 90° + i sin 90°)
Answer: D
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Find the APR (true annual interest rate), to the nearest half percent, for the following loan. Use the Annual Percentage Rate table if necessary.
Amount Financed = $6100Finance Charge = $470Number of Monthly Payments = 36
A. 6.5% B. 5.0% C. 5.5% D. 6.0%
Add.29 + (-74)
A. 45 B. -45 C. 103 D. -103
Let C (t) be the total value of US currency (coins and banknotes) in circulation at time. The table gives values of this function from 1980 to 2000, as of September 30, in billions of dollars. Estimate the value of C (1990) .
Answers are in billions of dollars per year. Round your answer to two decimal places.
For the pair of functions, perform the indicated operation.f(x) = 7 - 8x, g(x) = -4x + 8
Find (f + g)(x).
A. -12x + 15 B. -4x + 15 C. 3x D. -4x + 7